Didi Tech
Dec 18, 2018 · Cloud Computing
Accelerating Virtual Machine Storage with SPDK vhost and NVMe SSDs
By moving the VM storage stack to SPDK’s user‑space, lock‑free, poll‑based vhost back‑end and leveraging high‑performance Intel NVMe SSDs, Didi Cloud’s enhanced DC2 cuts latency, boosts IOPS to roughly 730 k reads and 470 k writes, and adds hot‑upgrade and automatic recovery for seamless VM storage acceleration.
NVMeSPDKperformance optimization
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